Nonlinear controller synthesis based on inverse describing function technique in the MATLAB environment

摘要

In this research, a new software based on a systematic nonlinear controller design technique for nonlinear systems is developed. This software is in the MATLAB environment, and it is based on inverse describing functions in order to arrive at nonlinear gains of the controller. The software may, be used to synthesize nonlinear controllers for nonlinear systems without restriction on system order, the number, type, and arrangement of nonlinear terms. The goal is to design an output feedback system that is a solution to a robust design such that sensitivity of the feedback control system with respect to amplitude of the excitation signal and the operating regimes would be at a minimum. (C) 2005 Elsevier Ltd. All rights reserved.